A Manufacturer of an Automobile Part Has a Process That

question 70

Essay

A manufacturer of an automobile part has a process that is designed to produce the part with a target of 2.5 inches in length.In the past,the standard deviation of the length has been 0.035 inches.In an effort to reduce the variation in the process,the manufacturer has redesigned the process.A sample of 25 parts produced under the new process shows a sample standard deviation of 0.025 inches.Test the claim that the new process standard deviation has improved from the current process at α = .05.

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Definitions:

Human Embryonic

Relating to the early stages of human development within the womb, from conception to the eighth week of pregnancy.

Stem Cells

Undifferentiated cells capable of giving rise to indefinitely more cells of the same type and from which certain other kinds of cell arise by differentiation.

Placental Tissue

Tissue part of the placenta, which supports fetal development by facilitating nutrient uptake, waste elimination, and gas exchange between mother and fetus.

Differential Gene

A gene that is expressed in different amounts or by different mechanisms in response to environmental or developmental stimuli.